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Your cart is empty.A lead-free formulation replaces lead protection for older engines designed to use leaded gasoline, which can help prevent excessive valve seat wear and extend engine life. For automotive, farm and marine engines. If used with each fill up, it can help maintain power and acceleration and help reduce exhaust emissions.
Customer
Reviewed in the United States on April 6, 2025
Good lead additive substitute for a 70s pick up with older vowels that still needs a lead additive.
Carol Rabe
Reviewed in the United States on August 2, 2024
Arrived on time used for my 55 ford
Cheryl
Reviewed in the United States on July 8, 2024
It works well! Easy to use. Marker lines would be nice on the side of the bottle for partial tank fills . Otherwise , happy eye product.
Carlos Esquer
Reviewed in the United States on February 5, 2024
Seems to work good on my old 54 Chevy. Idle is smoother
Nick S
Reviewed in the United States on August 12, 2018
Will be able to tell you if it worked as intended once I get around to rebuilding the heads of my 1968 Camaro someday, but as for now, the most I can report is that the car runs fine with it in the fuel, there are no noxious fumes or smoke as a result of using this. After a lot of shopping around, I this is the best value I have found for lead substitute so far.
soone7
Reviewed in the United States on July 15, 2016
Good for your gas/engine system. I use it on my '65 Vette as it still has the original engine. The only drawback is that the seal on the top is hard to get off as there is nothing to peel it with. I have cut a slit in mine with a pocket knife in order to be able to pour it.
Paul S.
Reviewed in the United States on February 15, 2016
I've been using Lucas oil upper cylinder lubricant for over a year because I really didn't know what product to use. I had tried another product at O'reiley's but it was more expensive and no noticeable difference when driving. Over the last year or so since I started using Lucas Oil's product it's steadily gone up in price. That coupled with the annoyance of measuring while at the pump lead me to look for an alternative. This product is actually cheaper when bought in a case and it actually works. The Lucas oil only ever reduced pinging related to the lack of lead but this product has nearly eliminated it. I'm very pleased and will buy again.
Susan
Reviewed in the United States on December 1, 2015
Finding lead substitute for my classic 56 Beetle is getting harder and more expensive. This product is very reasonable priced for a case of 12, and will last me through next summer's car show season!
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